61238512230 has 64 divisors (see below), whose sum is σ = 175271482368. Its totient is φ = 13388791680.

The previous prime is 61238512193. The next prime is 61238512277. The reversal of 61238512230 is 3221583216.

It is a junction number, because it is equal to n+sod(n) for n = 61238512191 and 61238512200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6334561 + ... + 6344220.

It is an arithmetic number, because the mean of its divisors is an integer number (2738616912).

Almost surely, 2^61238512230 is an apocalyptic number.

61238512230 is an abundant number, since it is smaller than the sum of its proper divisors (114032970138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61238512230 is a wasteful number, since it uses less digits than its factorization.

61238512230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12678821.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 61238512230 in words is "sixty-one billion, two hundred thirty-eight million, five hundred twelve thousand, two hundred thirty".